:root {
    --accent: #aee61f; --accent-fill: #aee61f; --accent-muted: rgba(174,230,31,0.15);
    --ink: #edf1e4; --mut: #99a488; --bg: #0b0d06; --card: #13170b; --line: #222915;
    --ph: #1a210f; --field-green: #1e3b0b;
  }
  html { color-scheme: dark; }
  * { box-sizing: border-box; }
  body { margin: 0; font-family: 'Pretendard','Apple SD Gothic Neo','Malgun Gothic',system-ui,sans-serif;
    background: var(--bg); color: var(--ink); line-height: 1.65; -webkit-font-smoothing: antialiased; }
  .wrap { max-width: 880px; margin: 0 auto; padding: 0 20px 96px; }
  header.hero { text-align: center; padding: 80px 16px 48px; position: relative; }
  header.hero::before { content:""; position:absolute; top:0; left:50%; transform:translateX(-50%);
    width:100%; max-width:600px; height:320px;
    background: radial-gradient(circle, rgba(174,230,31,0.10) 0%, rgba(0,0,0,0) 70%); z-index:-1; pointer-events:none; }
  .eyebrow { display:inline-block; font-size:12px; font-weight:800; letter-spacing:.14em; text-transform:uppercase;
    color:var(--accent); border:1px solid var(--line); border-radius:999px; padding:6px 16px; background:var(--card); }
  h1 { font-size:clamp(32px,7.2vw,54px); line-height:1.16; margin:24px 0 16px; letter-spacing:-.03em; text-wrap:balance; font-weight:900; }
  h1 .hl { color:var(--accent); text-shadow:0 0 22px rgba(174,230,31,0.35); }
  .sub { color:var(--mut); font-size:clamp(16px,2.8vw,19px); max-width:640px; margin:0 auto; line-height:1.65; }
  .sub b { color:var(--ink); font-weight:700; }
  .punch { max-width:560px; margin:22px auto 0; text-align:left; display:grid; gap:8px; }
  .punch p { margin:0; font-size:16px; color:#cbd5b8; padding-left:22px; position:relative; }
  .punch p::before { content:"›"; position:absolute; left:2px; color:var(--accent); font-weight:900; }
  .punch p b { color:#fff; }
  .cta { display:flex; gap:14px; justify-content:center; flex-wrap:wrap; margin:36px 0; }
  .cta a { text-decoration:none; font-weight:800; font-size:15px; padding:14px 24px; border-radius:14px;
    border:1px solid var(--line); color:var(--ink); background:var(--card); transition:all .15s ease; }
  .cta a.primary { background:var(--accent-fill); color:#0b0d06; border-color:transparent; box-shadow:0 8px 24px rgba(174,230,31,0.2); }
  .cta a:hover { transform:translateY(-3px); box-shadow:0 12px 28px -8px rgba(174,230,31,0.3); border-color:var(--accent); }
  .cta a:focus-visible { outline:2px solid var(--accent); outline-offset:3px; }
  .hero-shot { max-width:min(52vw,230px); margin:16px auto 0; position:relative; }
  .hero-shot::after { content:"LIVE"; position:absolute; top:16px; right:16px; background:#ff3b30; color:#fff;
    font-size:11px; font-weight:800; padding:3px 8px; border-radius:6px; letter-spacing:0.05em; animation:pulse 2s infinite; }
  @keyframes pulse { 0%{opacity:.6} 50%{opacity:1} 100%{opacity:.6} }
  @media (prefers-reduced-motion: reduce){ .hero-shot::after{ animation:none } }
  .hero-img { width:100%; height:auto; border-radius:20px; border:1px solid var(--line); box-shadow:0 40px 80px -20px rgba(0,0,0,0.75); display:block; }
  .why { background:var(--card); border:1px solid var(--line); border-radius:24px; padding:8px; margin:44px 0 8px; box-shadow:0 4px 20px rgba(0,0,0,0.2); }
  .why-title { text-align:center; font-size:clamp(20px,3.6vw,26px); font-weight:900; margin:24px 12px 4px; color:#fff; text-wrap:balance; }
  .why-sub { text-align:center; color:var(--mut); font-size:14.5px; margin:0 12px 12px; }
  .why-scroll { overflow-x:auto; }
  table { width:100%; border-collapse:collapse; font-size:15px; min-width:520px; }
  th,td { padding:15px 20px; text-align:left; vertical-align:middle; }
  thead th { color:var(--mut); font-weight:800; border-bottom:2px solid var(--line); font-size:12.5px; letter-spacing:.06em; text-transform:uppercase; }
  tbody tr:hover { background:rgba(255,255,255,0.02); }
  tbody tr+tr td { border-top:1px solid var(--line); }
  td:first-child { color:#ff6b6b; font-weight:500; }
  td:last-child { font-weight:700; color:var(--ink); }
  td:last-child b { color:var(--accent); }
  .sec { padding:56px 0; border-top:1px solid var(--line); }
  .sec-head { display:flex; align-items:center; gap:14px; flex-wrap:wrap; margin-bottom:14px; }
  h2 { font-size:clamp(23px,4.2vw,31px); margin:0; letter-spacing:-.02em; font-weight:900; color:#fff; text-wrap:balance; }
  .tag { font-size:13px; color:var(--accent); font-weight:700; background:var(--accent-muted); padding:4px 12px; border-radius:6px; white-space:nowrap; }
  .lead { font-size:17px; margin:0 0 18px; max-width:66ch; color:#cbd5b8; }
  ul.feat { margin:16px 0 8px; padding:0; list-style:none; display:grid; grid-template-columns:1fr 1fr; gap:12px; }
  @media(max-width:600px){ ul.feat { grid-template-columns:1fr; } }
  ul.feat li { position:relative; padding:11px 16px 11px 34px; color:var(--mut); font-size:15px; background:rgba(255,255,255,0.015); border-radius:10px; border:1px solid rgba(255,255,255,0.03); }
  ul.feat li b { color:var(--ink); }
  ul.feat li:before { content:"✓"; position:absolute; left:13px; top:11px; color:var(--accent); font-weight:900; font-size:14px; }
  /* 폰 스크린샷은 세로가 길다(480×1069). 세로로 쌓으면 화면을 너무 차지하므로
     가로로 넘겨 보는 띠로 만든다 — 장수와 상관없이 항상 한 줄이고, 넘치면 스와이프한다. */
  .shots { display:flex; gap:14px; margin-top:22px; overflow-x:auto; overscroll-behavior-x:contain;
    scroll-snap-type:x proximity; padding:2px 2px 12px; justify-content:safe center;
    scrollbar-width:thin; scrollbar-color:var(--line) transparent; }
  .shots::-webkit-scrollbar { height:6px; }
  .shots::-webkit-scrollbar-track { background:transparent; }
  .shots::-webkit-scrollbar-thumb { background:var(--line); border-radius:99px; }
  figure.shot { margin:0; flex:0 0 auto; width:min(52vw,220px); scroll-snap-align:center; }
  figure.shot img { width:100%; height:auto; border-radius:18px; border:1px solid var(--line); box-shadow:0 14px 28px rgba(0,0,0,0.45); display:block; }
  figure.shot figcaption { color:var(--mut); font-size:12px; text-align:center; margin-top:9px; font-weight:700; font-family:ui-monospace,'SF Mono',Menlo,monospace; letter-spacing:.02em; }
  .ph { width:100%; aspect-ratio:9/19.3; border-radius:24px; border:2px dashed var(--line); background:var(--ph); display:flex; flex-direction:column; align-items:center; justify-content:center; gap:10px; text-align:center; padding:20px; color:var(--mut); }
  .ph-ico{font-size:36px} .ph-cap{font-weight:800;font-size:15px;color:var(--ink)}
  .pros { display:grid; grid-template-columns:1fr 1fr; gap:20px; margin-top:24px; }
  @media(max-width:560px){ .pros { grid-template-columns:1fr; } }
  .box { background:var(--card); border:1px solid var(--line); border-radius:20px; padding:24px; }
  .box h3 { margin:0 0 16px; font-size:17px; display:flex; align-items:center; gap:10px; color:#fff; }
  .box h3 .dot { width:10px; height:10px; border-radius:50%; box-shadow:0 0 10px currentColor; }
  .box.good h3 .dot { background:var(--accent-fill); color:var(--accent-fill); }
  .box.warn h3 .dot { background:#ff453a; color:#ff453a; }
  .box ul { margin:0; padding-left:20px; color:var(--mut); font-size:15px; } .box li { margin:10px 0; line-height:1.5; }
  .box li b { color:var(--ink); }
  .start { background:var(--card); border:1px solid var(--line); border-radius:24px; padding:28px; margin-top:24px; counter-reset:step; }
  .start ol { margin:0; padding:0; list-style:none; }
  .start li { position:relative; padding:12px 0 12px 56px; font-size:16px; color:#cbd5b8; }
  .start li b { color:#fff; }
  .start li:before { counter-increment:step; content:counter(step); position:absolute; left:0; top:8px; width:38px; height:38px; border-radius:50%; background:var(--accent-muted); color:var(--accent); font-weight:900; font-size:16px; display:flex; align-items:center; justify-content:center; border:1px solid var(--accent); }
  .invite { margin:52px 0 16px; text-align:center; background:linear-gradient(180deg, rgba(174,230,31,0.08) 0%, var(--card) 100%); border:1px solid var(--line); border-radius:28px; padding:48px 24px; position:relative; overflow:hidden; }
  .invite::before { content:"MATCH DAY"; position:absolute; top:-18px; right:-16px; font-size:clamp(40px,10vw,72px); font-weight:900; color:rgba(255,255,255,0.03); letter-spacing:0.08em; transform:rotate(-5deg); pointer-events:none; }
  .invite-h { font-size:clamp(26px,5vw,34px); margin:8px 0 8px; font-weight:900; color:#fff; }
  .invite-p { color:var(--mut); font-size:16px; margin:0 0 24px; }
  .code-row { display:inline-flex; align-items:center; gap:16px; background:var(--bg); border:1px solid var(--line); border-radius:16px; padding:14px 24px; margin-bottom:24px; }
  .code-label { font-size:12px; font-weight:800; letter-spacing:.08em; text-transform:uppercase; color:var(--mut); }
  .code { font-size:30px; font-weight:900; letter-spacing:.14em; color:var(--accent); text-shadow:0 0 10px rgba(174,230,31,0.25); font-variant-numeric:tabular-nums; font-family:ui-monospace,'SF Mono',Menlo,monospace; }
  a.invite-btn { display:inline-block; text-decoration:none; background:var(--accent-fill); color:#0b0d06; font-weight:900; font-size:16px; padding:16px 34px; border-radius:16px; transition:all .15s ease; box-shadow:0 8px 24px rgba(174,230,31,0.25); }
  a.invite-btn:hover { transform:translateY(-3px); box-shadow:0 12px 32px rgba(174,230,31,0.45); }
  .invite-hint { font-size:13px; color:var(--mut); margin:20px 0 0; word-break:break-all; }
  .invite-hint a { color:var(--accent); text-decoration:none; }
  .foot { text-align:center; color:var(--mut); font-size:13px; margin-top:56px; line-height:1.9; padding-top:24px; border-top:1px solid var(--line); }
  .foot a { color:var(--accent); text-decoration:none; }
  .topnav { position:sticky; top:0; z-index:20; background:rgba(11,13,6,0.92); backdrop-filter:blur(10px); -webkit-backdrop-filter:blur(10px); border-bottom:1px solid var(--line); }
  .topnav-in { max-width:880px; margin:0 auto; padding:10px 20px; display:flex; align-items:center; gap:16px; }
  .topnav .logo { font-weight:900; color:var(--ink); text-decoration:none; font-size:17px; white-space:nowrap; }
  .topnav .logo b { color:var(--accent); }
  .topnav nav { display:flex; gap:4px; overflow-x:auto; scrollbar-width:none; flex:1; }
  .topnav nav::-webkit-scrollbar { display:none; }
  .topnav nav a { color:var(--mut); text-decoration:none; font-size:14px; font-weight:700; padding:8px 10px; border-radius:10px; white-space:nowrap; }
  .topnav nav a:hover, .topnav nav a:focus-visible { color:var(--ink); background:var(--card); outline:none; }
  .topnav .get { background:var(--accent-fill); color:#0b0d06; text-decoration:none; font-weight:900; font-size:14px; padding:9px 16px; border-radius:12px; white-space:nowrap; }
  section[id] { scroll-margin-top:72px; }
  @media (max-width:520px) { .topnav-in { flex-wrap:wrap; gap:6px 12px; padding:8px 16px; justify-content:space-between; } .topnav nav { order:3; flex-basis:100%; margin:0 -6px; } .topnav nav a { padding:6px 8px; font-size:13.5px; } section[id] { scroll-margin-top:104px; } }
  .faq details { border:1px solid var(--line); background:var(--card); border-radius:16px; padding:0 20px; margin:10px 0; }
  .faq summary { cursor:pointer; list-style:none; font-weight:800; font-size:16px; padding:18px 28px 18px 0; position:relative; color:var(--ink); }
  .faq summary::-webkit-details-marker { display:none; }
  .faq summary::after { content:"+"; position:absolute; right:0; top:14px; font-size:22px; color:var(--accent); }
  .faq details[open] summary::after { content:"−"; }
  .faq summary:focus-visible { outline:2px solid var(--accent); outline-offset:4px; border-radius:8px; }
  .faq details p { margin:0 0 18px; color:#cbd5b8; font-size:15px; }
  /* 기능별 상세 페이지 공통 */
  .crumb { font-size:13px; color:var(--mut); margin:18px 0 0; }
  .crumb a { color:var(--mut); text-decoration:none; } .crumb a:hover { color:var(--ink); }
  .topnav nav a[aria-current="page"] { color:var(--ink); background:var(--card); }
  .more { display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:12px; margin-top:20px; }
  .more a { display:block; text-decoration:none; background:var(--card); border:1px solid var(--line); border-radius:16px; padding:18px 20px; color:var(--ink); font-weight:800; }
  .more a span { display:block; color:var(--mut); font-weight:600; font-size:14px; margin-top:4px; }
  .more a:hover, .more a:focus-visible { border-color:var(--accent); outline:none; }
  .seemore { display:inline-block; margin-top:14px; color:var(--accent); font-weight:800; text-decoration:none; }
  .hero-shot.plain::after { display:none; }